docs: def get_seqprop_to_seqprop_alignment_stats(self, seqprop1, seqprop2):
          """Get the sequence alignment information for a sequence to a structure's chain."""
          alignment = self._get_seqprop_to_seqprop_alignment(seqprop1=seqprop1, seqprop2=seqprop2)
          return ssbio.protein.sequence.utils.alignment.pairwise_alignment_stats(reference_seq_aln=alignment[0],
                                                                                 other_seq_aln=alignment[1])